Brewster Veterinarians

Highly-Skilled, Compassionate Veterinarians

Dr. William Kaser, DVM

Dr. William Kaser began working at Brewster Veterinary Hospital in 2010. He partnered with Veterinary Associates of Cape Cod and purchased the practice in 2015. He currently acts as Brewster Veterinary Hospital’s medical director. A native of Cape Cod, Dr. Kaser began practicing in 1999. Most of his experience is in general practice. He is one of the original founders of the Cape's only emergency and specialty hospital in Dennis, Massachusetts. Dr. Kaser is a member of the American Veterinary Medical Association and the Massachusetts Veterinary Medical Association. He is also federally accredited.

Before veterinary school, Dr. Kaser earned undergraduate degrees from Cape Cod Community College and Murray State. He went on to attend University of Missouri College of Veterinary Medicine where he earned his Doctorate of Veterinary Medicine in 1999. Dr. Kaser’s professional interests include internal medicine, general surgery and dentistry. He especially values the relationships he has established with his patients and clients.

At his home in Brewster, Dr. Kaser lives with his wife Megan, their three children and their many pets that include dogs, cats, sheep, chickens, geese, ducks, a cow and a goat. He enjoys the outdoors and working on his hobby farm.

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Dr. Karen Hickey, DVM

Dr. Karen Hickey has practiced with Brewster Veterinary Hospital as an associate veterinarian since 1996. A native of Massachusetts, Dr. Hickey graduated cum laude from Saint Anselm College in 1984. She then attended the Ross University of Veterinary Medicine and was awarded her Doctorate of Veterinary Medicine in 1988.

A member of the American Veterinary Medical Association and the Massachusetts Veterinary Medical Association, Dr. Hickey's areas of professional interest include internal medicine—especially chronic disease—and fostering the human-animal bond. She is highly invested in the well-being of her patients and her clients and dedicates herself to ensuring an optimal level of care.

At home, Dr. Hickey enjoys movies with happy endings and a good book. She shares her life with her son, three dogs and a cat.

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Dr. Betsy McStay, DVM

Associate Veterinarian Dr. Betsy McStay joined the veterinary team at Brewster Veterinary Hospital in 2016. Dr. McStay grew up in Wellesley, Massachusetts and earned her bachelor’s degree from Connecticut College. She then attended Virginia-Maryland Regional College of Veterinary Medicine where she was awarded her Doctorate of Veterinary Medicine in 2009.

Dr. McStay’s professional interests include caring for geriatric patients, performing surgery and preserving the human-animal bond. She enjoys learning the idiosyncrasies of each patient while facilitating the bond with their owners, ultimately allowing each pet to live the longest and best life possible. Dr. McStay is a member of the American Veterinary Medical Association and the Massachusetts Veterinary Medical Association.

At home, Dr. McStay shares her life with her partner and his son, as well as two dogs and a cat. She spends her free time hiking, camping, cycling and competing in triathlons (just the short ones).

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Dr. Louise Morgan, VMD

A native of Massachusetts, Dr. Louise Morgan opened Brewster Veterinary Hospital in 1992. Dr. Morgan previously worked for many years with Greyhound Pets of America where she helped find forever homes for retired racing dogs. She is currently working with Dogs and Cats of the Dominican Republic, a rescue group that ships orphaned dogs to the United States & Canada to find them forever homes. At our hospital, Dr. Morgan sees exotic pets along with cats and dogs.

Dr. Morgan earned her Bachelor of Science and her Doctorate of Veterinary Medicine from University of Pennsylvania School of Veterinary Medicine. Following graduation in 1982, Dr. Morgan completed an internship at Angell Memorial Medical Center in Boston. She went on to practice at a companion and exotic animal practice in Honolulu, Hawaii for several years before returing to Massachusetts.

At home, Dr. Morgan has several pets including four dogs, two cats and a variety of poultry.

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